Education & degrees:

- 1979: M.Sc. at University of Gdańsk, Institute of Oceanography
- 1984 Ph.D. at University of Gdańsk, Faculty of Biology, Geography and Oceanography
- 1993 habilitation at University of Gdańsk, Faculty of Biology, Geography and Oceanography
- 2000 professorship appointed by the President of the State

Employment & positions:

- 1978- 1984 - technical assistant, Hel Marine Station of the Gdańsk University
- 1984- 1985 - leader of Polish Polar Station in Hornsund, Institute of Geophysica PAS
- 1985- present - research assistant, associate professor and professor at Institute of Oceanology PAS in Sopot

Main scientific interests:

- Arctic coastal waters ecology, food web, climate change/biodiversity interactions
- Malacostraca - benthic and pelagic as a group of my specialization and identification knowledge
- Sandy shores ecology, integrated coastal zone management

On-going projects:

- BIODAFF - biodiversity and fluxes in Arctic glaciated fjords
- LITUS & COSA - recreation and ecosystem function in sandy beaches
- MARBEF, MARBENA - marine biodiversity European coastal waters
- ELME - European life styles and marine ecosystems
- CASES - Canadian Arctic Shelf Ecosystem Studies

Peer- reviewed publications:

K. Skóra, Węsławski JM 1977 Próba zastosowania pułapek świetlnych do połowu skorupiaków w Zatoce Puckiej. Oceanografia 5, 70-77

Węsławski JM 1983 Observations on the coastal water Amphipoda from Hornsund, SW Spitsbergen. Pol. Arch. Hydrobiol. 30, 199- 207

Węsławski JM 1983 Obserwacje nad tworzeniem się skupisk Neomysis vulgaris (Thompson) 1928 w warunkach naturalnych. Oceanografia 8, 109- 126

Węsławski JM, Kwaśniewski S 1983 An attempt to use the biological indicators to determine the reach and origin of South Spitsbergen Sea Currents.Pol. Arch. Hydrobiol. 30, 189- 197

Kwaśniewski S, Węsławski JM 1984 Note on the Malacostraca, Crustacea in the hyponeuston of Spitsbergen waters. Oceanografia 10, 126-128

Legeżyńska E., Moskal W. Węsławski JM, Legeżyński P. 1984 Wpływ warunków środowiskowych na rozmieszczenie fauny dennej w Zatoce - Nottingham (SW Spitsbergen).Oceanografia 10, 157 - 172

Lydersen, Ch., Gjertz I., Węsławski JM 1985 Aspects of vertebrates feeding in Hornsund, Spitsbergen. Norsk Polarinstitutt - Rapportserie 21, 41pp

Kwaśniewski S., Węsławski JM 1986 Amphipoda, Crustacea w planktonie przybrzeżnych i powierzchniowych wód Spitsbergenu. Oceanografia 11, 24- 34

Gorlich K.A., Węsławski JM, Zajączkowski M. 1987 Suspensions settling effect on benthic fauna biomass in Hornsund fjord, Spitsbergen. Polar Research 5, 175 - 192 (pdf)

Węsławski JM 1987 Occurrence and ecology of Decapoda, Crustacea from South Spitsbergen. Polish Polar Research 8, 121- 134

Węsławski JM, Adamski P. 1987 Cold and warm years in South Spitsbergen coastal marine ecosystem. Polish Polar Research 8, 95- 106

Krawczyk A., Węsławski JM 1987 Remarks on the past and recent records of Atlantic walrus Odobaenus rosmarus rosmarus Linneaus 1758 from South Spitsbergen coasts. Polish Polar Research 8, 135- 143

Węsławski JM Zajączkowski M., Kwaśniewski S., Jezierski J.,Moskal W. 1988 Seasonality in an Arctic fjord ecosystem. Polar Research 6, 185- 189 (pdf)

Eilertsen H.Ch., Taasen J.P., Węsławski JM 1989 Phytoplankton studies in the fjords of West Spitsbergen. Physical Environment, production in spring and summer. Journ. Plankt. Res. 11, 1245- 1260 (pdf)

Węsławski JM 1989 Occurrence and life cycle of Mysis oculata (Crustacea) from Spitsbergen. Pol. Arch. Hydrobiol. 36, 207- 215 (pdf)

Węsławski JM, Kuliński W. 1989 Notes on fishes in Hornsund fjord area (Spitsbergen). Polish Polar Research 10, 241- 250 (pdf)

Lydersen Ch., Gjertz I., Węsławski JM 1989 Stomach contents of autumn feeding marine invertebrates from Hornsund, Svalbard. Polar Records 25, 107-114 (pdf)

Opaliński K. W., Węsławski JM 1989 Oxygen consumption in Arctic Amphipods: metabolic cold compensation. Proc. 21 th EMBS Symposium 1986, Gdańsk, ed. Klekowski R.Z., Styczyńska- Jurewicz E., 137- 142

Opaliński K.W., Węsławski JM 1989 Ecology, metabolic rate and metabolic adaptations in Spitsbergen amphipods. adaptation. Pol. Arch. Hydrobiol. 36, 333- 350

Swerpel S, Węsławski JM 1989 Polish marine ecological work on Spitsbergen. Rapp.et Proc. Verb. Int. C. Explor. Mer 188, 177- 179

Węsławski JM 1990 Distribution and ecology of coastal waters Amphipoda from south Spitsbergen. Pol. Arch. Hydrobiol. 37, 503-519 (pdf)

Węsławski JM, Kwaśniewski S. 1990 The consequences of climatic fluctuation for the food web in Svalbard coastal waters. Proc. 24 - EMBS Symposium, Aberdeen University press, 281- 295

Węsławski JM, Kwaśniewski S., Wiktor J. 1990 Winter in a Svalbard fjord ecosystem. Arctic, 44, 115- 123 (pdf)

Węsławski JM, Kwaśniewski S., Wiktor J., Zajączkowski M., Ostrowski M., Siwecki S., Swerpel S. 1990 Summer environmental survey of Gipsvika, Svalbard. in: Brekkke B., Hansson R. (eds) Environmental Atlas of Gipsdalen, vol.2, Oslo, NPI, 112- 131

Węsławski JM , Jankowski A., Kwaśniewski S., Swerpel S., Ryg M. 1991 Summer hydrology and zooplankton in two Spitsbergen fjords. Polish Polar Research 12, 445- 460

Węsławski JM, Wiktor J., Kwaśniewski S. 1991 r/v "Oceania" cruises to Norwegian and Greenland Seas in 1987 - 1989. Plankton species composition. SIMO, 58, 187- 202

Lydersen Ch., Węsławski JM, Oritsland N.A. 1991 Stomach content analysis of minky whales Balaenoptera acutorostrata from the Lofoten and Vestrealen area, Norway. Holarctic Ecology 14, 219- 222

Węsławski JM, Skakuj M. 1992 Food and feeding of seabirds in Tichaia Bay, Franz Josef Land. Meddelelser om Polarinstitutt, nr 120

Węsławski JM, Zajączkowski M. 1992 Benthic fauna and its environment in Tichaia Bay, Franz Josef Land. Meddelelser om Polarinstitutt, nr 120

Węsławski JM, Kwaśniewski S, Wiktor J, Zajączkowski M 1993 Observations on the fast ice biota in the fjords of Spitsbergen. Polish Polar Research 14, 331- 343 (pdf)

Węsławski JM, Wiktor J, Zajączkowski M, Swerpel S 1993 Intertidal zone of Svalbard 1 Macroorganisms distribution and biomass. Polar Biology 13, 73- 108 (pdf)

Węsławski JM, 1993 The comparison of West Spitsbergen and FranzJosef Land coastal marine ecosystems. SIMO 64, 331- 341

Węsławski JM 1994 Genus Gammarus (Crustacea, Amphipoda) from Svalbard and Franz
Josef Land. Distribution and density. Sarsia 79, 145-150

Węsławski JM, M. Ryg, T.G Smith, N.A Oritsland 1994 Food and feeding of the Ringed seal in Spitsbergen. Arctic 47, 109- 114 (pdf)

Węsławski JM, Stempniewicz L 1994 Seabirds feeding in Franz Josef Land . Polar Research, 13, 173- 182 (pdf)

Jażdżewski, K Węsławski JM, C de Broyer 1995 A comparison of the Amphipod faunal diversity in two polar fjords, Admiralty Bay, King George Island (Antarctic) and Hornsund (Spitsbergen, Arctic). Pol. Archiv. Hydrobiol. 42, 367- 384 (pdf)

Koszteyn J, TimofeevS, Węsławski JM, B Malinga 1995 Size structure of Themisto abyssorum Boeck and Themisto libellula (Mandt) populations in European Arctic seas. Polar Biology 15, 85- 92

Szymelfenig M, Kwaśniewski S, Węsławski JM 1995 Intertidal zone of Svalbard 2. Meiobenthos density and occurrence. Polar Biology 15, 137- 141 (pdf)

Węsławski JM, Koszteyn J, Zajączkowski M, Wiktor J, Kwaśniewski 1995 Fresh water in Svalbard fjord ecosystems. W "Ecology of gfjords and coastal waters" eds HR Skjoldal, Hopkins CC, Erikstad KE, Leinaas HP. Elsevier Sci BV 229- 241

Haque AM, Szymelfenig M, Węsławski JM 1996 Sandy littoral zoobenthos of Polish Baltic coast. Oceanologia 38: 361- 378

Włodarska M, Węsławski JM, Gromisz S 1996 A comparison of the macrofaunal community structure and diversity in two arctic glacial bays - a "cold" one off Franz Josef Land and a "warm" one off Spitsbergen. Oceanologia 38, 251- 283 (pdf)

Beszczyńska-Möller A., Węsławski J.M., Walczowski W., Zajączkowski M. 1997 Estimationn of glacial meltwater discharge into Svalbard coastal water Oceanologia 39(3), 1997, 289-297

Falk K, Hjort C, Andreasen C, Christensen KD, Elander M, Ericson M, Kampp K, Kristensen RM, Mobjerg N, Moller S, Węsławski JM 1997 Seabirds utilizing the Northeast Water polynya. Journal Mar. Systems 10, 47- 65 (pdf)

Haque A.M., Szymelfenig M., Węsławski J.M. - Spatial and seasonal changes in the sandy littoral zoobentos of the Gulf of Gdańsk Oceanologia 39(3), 1997, 299-323

Haque A.M., Szymelfenig M., Węsławski J.M. 1997- Small-scale vertical distribution of zoobenthos in the sandy littoral of the Gulf of Gdańsk Oceanologia 39(4), 433-446

Węsławski J.M., Wiktor J., Zajączkowski M., Futsaeter G., Moe K.A. 1997 Vulnerability Assessment of Svalbard Intertidal Zone for Oil Spills,Estuarine, Coastal and Shelf Science 44(Supplement A), 1997, 33-41 (pdf)

Węsławski J.M., Zajączkowski M., Wiktor J., Szymelfenig M. - Intertidal zone of Svalbard. 3 Littoral of a subarctic, oceanic island: Bjornoya, Polar Biology, 1997, 18, 45-52 (pdf)

Węsławski JM, J Wiktor, J Koszteyn, M Zajączkowski, P Wieczorek, L Kotwicki 1997 The coastal edge of the Northeast Water polynya in spring 1993. Journal of Marine Systems 10, 429- 444

Węsławski JM, Legeżyńska J. 1998 Glacier induced zooplankton mortality ? Journal of Plankton Research 20, 1233-1240

Wiktor J., Węsławski J.M., Wieczorek P., Zajączkowski M., Okolodkov J. - 1998 Phytoplankton and suspensions in relation to the freshwater in Arctic coastal marine ecosystems, Polish Polar Research 19(3-4), 1998, 215-230

Włodarska- Kowalczuk M., Węsławski JM, Kotwicki L. 1998 Spitsbergen glacial bays macrobenthos - a preliminary comparative study. Polar Biology 20, 66-73

Węsławski J.M., Stempniewicz L., Mehlum F., Kwaśniewski S. 1999 - Summer feeding strategy of the little auk (Alle alle) from Bjornoya, Barents Sea, Polar Biology 21, 129-134 (pdf)

Węsławski JM, Koszteyn J, Kwaśniewski S, Stempniewicz L, Malinga M. 1999 Summer food resources of the little auk (Alle alle) in the European Arctic seas. Polish Polar Research 20, 387- 403 (pdf)

Weslawski JM, Szymelfenig M. 1999. Community composition of tidal flats on Spitsbergen: consequence of disturbance? NATO ASI Series, Serie E, Vol.59, J.S.Gray et al. (eds) Biogeochemical Cycling and Sediment Ecology, 185-193. (pdf)

Węsławski JM, Szymelfenig M, Zajączkowski M, Keck A. 1999 Influence of salinity and suspended matter on benthos of an Arctic tidal flat. ICES Journal of Marine Science 56, 194-202

Węsławski JM, Pedersen G, Petersen SF, Porazinski K 2000 Entrapment of macroplankton in an Arctic fjord basin, Kongsfjorden, Svalbard. Oceanologia 42, 57- 69 (pdf)

Węsławski JM, Hacquebord L, Stempniewicz L, Malinga M. 2000 Greenland whales and walruses in the Svalbard food web before and after exploitation. Oceanologia 42, 37- 56 (pdf)

Legeżyńska J, Węsławski JM, Presler P 2000 Benthic scavengers collected by baited traps in the high Arctic. Polar Biology 23, 539- 544 (pdf)

Węsławski JM, Kupidura T, Żabicki M 2000 Sandhopper, Talitrus saltator (Montagu, 1808) (Amphipoda, Gammaridea), at the Polish Baltic coast. Seasonal and spatial distribution patterns. Crustaceana, 73, 961- 969

Węsławski JM, Malinga B, Kotwicki L, Opaliński K, Szymelfenig M, Dutkowski M 2000 Sandy coastlines - are there conflicts between recreation and natural values ? Oceanological studies, 29, 5- 18

Węsławski JM, Kupidura T., Żabicki M 2000 Sandhoppers (Talitrus saltator, Montagu 1808, Amphipoda, Gammaridea) at the Polish Baltic coast. Seasonal and spatial distribution patterns. Crustaceana, 73, 961-969

Weslawski JM, Legezynska J, Opalinski. 2000. Onisimus littoralis –key species in Arctic soft sediment littoral. Pol. Arch. Hydrobiol. 47, 585-596 (pdf)

Moe KA, Skeie GM, Brude OW, Lovas CM, Nedrebo, Weslawski JM 2000 The Svalbard intertidal zone: A concept for the use of GIS in applied oil sensivity, vulnerability and impact analyses. Spill Science and Technology Bulletin 6, 187- 206

Węsławski JM, Stanek A, Siewert A, Beer N. 2001 The sandhopper (Talitrus saltator, Montagu 1808) on the Polish Baltic coast. Is it a victim of increased tourism ? Oceanological Studies 29, 1-11 (pdf)

Levin LA, Boesch DF, Covich A, Dahm C, Erseus C, Ewel C, Kneib RT, Moldenke A, Palmer MA, Snelgrove P, Strayer D, Weslawski JM 2001 The function of marine critical transition zones and the importance of sediment biodiversity. Ecosystems; 4, 430-451

Węsławski JM, Opaliński KW, Legeżyńska J. 2001 Onisimus littoralis, the key species in Arctic soft sediment littoral. Pol. Arch. Hydrobiol. , 47, 585-596

Włodarska-Kowalczuk M, Węsławski JM 2001 Impact of climate warming on Arctic benthic biodiversity: a case study of two Arctic glacial bays. Climate Research 18, 127-132 (pdf)

Hop H, Pearson T, Hegseth EN, Kovacs K, Wiencke C, Kwaśniewski S, Eiane K, Mehlum F, Gulliksen, Włodarska-Kowalczuk M, Lydersen C, Weslawski JM, Cochrane S, Gabrielsen GW, Leakey R, Lonne OJ, Zajączkowski M, Falk-Petersen S, Kendall M, Wangberg S.A., Bischof K, Voronkov AY, Kovaltchuk , Wiktor J, Plterman M, Di Prisco G, Estoppey A, Papucci C, Gerland S, Lippert H. 2002 The ecosystem of Kongsfjorden, Svalbard. Polar Research, 21, 167- 208 (pdf)

Kotwicki L, Danielewicz J, Turzyński M, Węsławski JM 2002 Preliminary studies on the organic matter deposition and particle filtration processes in sandy beach in Sopot. Oceanological Studies, 31, 71-84

Ringuette M, Fortier L, Fortier M, Runge JA, Belanger S, Larouche P, Weslawski JM, Kwasniewski S 2002 Advanced recruitment and accelerated population development in Arctic calanoid copepods of the North Water. Deep Sea Research Part II; 49, 5081-5099

Węsławski JM, Legeżyńska J 2002 Chances for Arctic survival; Greely's Expedition revisited. Arctic 55,4;380-386 (pdf)

Karnovsky N, Kwasniewski S, Weslawski JM, Walkusz W, Beszczyńska-Moller A 2002 The foraging behaviour of little auks in a heterogenous environment. Marine Ecology Progress Ser. 254: 289- 303

Kotwicki L, Szymelfenig M, de Troch M, Urban-Malinga B, Węsławski JM 2004 Latidudinal biodiversity patterns of meiofauna from sandy littorach beach. - Biodiversity & Conservation in press

Kendall MA, Widdicombe S., Węsławski JM 2003 A multiscale study of the biodiversity of the benthic infauna of the high latitude Kongsfjord, Svalbard. Polar Biology, 26, 6, 383-388

Węsławski JM, Legeżyńska J 2002 Life cycles of some arctic amphipods. Polish Polar Research 23 (3-4) 253 - 264

Węsławski JM, Włodarska-Kowalczuk M, Legeżyńska J 2002 Occurrence of soft bottom macrofauna along the depth gradient in High Arctic, 79oN. Polish Polar Research 23 (4), 73- 88

Węsławski JM, Włodarska-Kowalczuk M, Legeżyńska, Kotwicki L J 2002 Bioróżnorodność arktycznego bentosu od szelfu do basenu oceanicznego w Arktyce Europejskiej na 79 równoleżniku. Przegląd Zoologiczny, XLVI, 3, 113-126

Włodarska-Kowalczuk M, Kendall MA, Weslawski JM, Klages M, Soltweed T. 2003 Benthic diversity and biomass along the continental margin at a high latitude ice-free site (off West Spitsbergen, 79oN). Deep Sea Research part I, in press

Weslawski, J.M., Snelgrove, P.V.R., Levin, L.A., Austen, M.C., Kneib, R.T., Iliffe, T.M., Garey, J.R., Hawkins S.J., Whitlatch, R.B., 2004. Marine Sedimentary Biota as Providers of Ecosystem Goods and Services. Chapter 4 in: Integrating concepts of biodiversity in soils and sediments: a transdisciplinary assessment of the most critical taxa, functions and habitats for sustainability, their vulnerability and management options eds D.H. Wall, Island Press (pdf)

Gheskiere, Tom; Vincx, Magda; Weslawski, Jan Marcin; Scapini, Felicita; Degraer, Steven. 2005. Meiofauna as descriptor of tourism-induced changes at sandy beaches. Marine Environmental Research, Vol: 60, Issue: 2, pp. 245-265 (pdf)

Kotwicki L, Jan Marcin Weslawski, Anna Szaltynis, Aleksandra Raczynska, Agnieszka Kupiec. 2005. Deposition of large organic particles (macrodetritus) in a sandy beach system (Puck Bay, Baltic Sea). Oceanologia, no 47(2), pp. 181-199 (pdf)

Kotwicki L, Jan Marcin Weslawski, Anna Szaltynis, Anna Stasiak, Agnieszka Kupiec. 2005. Fine organic particles in a sandy beach system (Puck Bay, Baltic Sea). Oceanologia, no 47(2), pp. 165-180 (pdf)

Kotwicki L, Szymelfenig M, De Troch M, Urban-Malinga B, Weslawski JM. 2005. Latitudinal biodiversity patterns from sandy littoral beaches. Biodiversity and Conservation, 14, pp. 461-474

Kotwicki, Lech; Troch, Marleen De; Urban-Malinga, Barbara; Gheskiere, Tom; Weslawski, Jan Marcin. 2005. Horizontal and vertical distribution of meiofauna on sandy beaches of the North Sea (The Netherlands, Belgium, France). Helgoland Marine Research, Volume: 59, Issue: 4, pp. 255-264

Kuklinski P, Gulliksen B, Lonne OJ, Weslawski JM. 2005. Composition of bryozoan assemblages related to depth in Svalbard fjords and sounds. Polar Biology 28: 619 - 630

Kuklinski P, Gulliksen B, Lonne OJ, Weslawski JM. 2006. Substratum as a structuring influence on assemblages of arctic bryozoans. Polar Biology 29, 652- 661

Urban-Malinga B, Hedtkamp SIC, Beusekom JEE, Wiktor J, Weslawski JM. 2006 Comparison of nematode communities in Baltic and North Sea sublittoral, permeable sands - diversity and environmental control. Estuarine and Coastal Shelf Sci. 70, 224- 238

Weslawski JM, Kwasniewski S, Stempniewicz L, Blachowiak- Samolyk K. 2006 Biodiversity and energy transfer to top trophic levels In two contrasting Arctic fjords. Polish Polar Res. 27, 259- 278 (pdf)

Weslawski JM, plus 20 wspólautorów. 2006 Basis for valuation of the Polish Exclusive Economic Zone of the Baltic Sea: Rationale and quest for tools. Oceanologia 48, 145- 167 (pdf)

Derous S, Agardy T, Hillewaert H, Hostens K, Jamieson G, Lieberknecht L, Mees J, Moulaert I, Olenin S, Paelinckx D, Rabaut M, Rachor E, Roff J, Stienen EWM, van der Wal JT, van Lancker V, Verfaillie E, Vincx M, Weslawski JM, Degraer S, 2007 A concept for biological valuation in the marine environment, Oceanologia 49 (1): 99-128 (pdf)

Kotwicki L, Weslawski JM, Grzelak K, Wiktor J & Zajaczkowski M, (2007) Island Biogeography Theory in Coastal Ecosystem Protection: The Baltic Sandy Shores, Coastline Reports 8, Schernewski, Glaeser, Scheibe, Sekscinska & Thamm (eds.): Coastal development: The Oder estuary and beyond, 257 –263, ISSN 0928-2734, ISBN 978-3-9811839-0-0

Renaud, P.E., Wlodarska-Kowalczuk M., Trannum H., Holte B., Weslawski J.M., Cochrane S., Dahle S., Gulliksen B., 2007, Multidecadal stability of benthic community structure in a high-Arctic glacial fjord (van Mijenfjord, Spitsbergen), Polar Biology, 30, 295-305

Stempniewicz L., Blachowiak-Samolyk K., Weslawski J.M. (2007) Impact of climate change on zooplankton communities, seabird populations and Arctic terrestrial ecosystem –a scenario. Deep-Sea Research Part II, 54, 2934-2433. (pdf)

Weslawski JM, Stempniewicz L, Kwasniewski S. 2007 Konsekwencje zmiany klimatu dla morskiego ekosystemu Arktyki Europejskiej, 311-314, w "Zmiany klimatyczne w Arktyce i Antarktyce" Gdynia AM 2007, pod red. A. Styszynskiej i A. Marsza
ISBN978-83-7421-024-9

Wlodarska-Kowalczuk, M., Weslawski, J.M. 2008. Mesoscale spatial structures in soft-bottom macrozoobenthic communities: effects of physical control and impoverishment. Marine Ecology Progress Series, 356, 215-224 (pdf)